Edit: Point A is a pinned connection (has a reactionary force in X and Y direction). Point B is a roller connection (only has reactionary force in Y direction)
Sum of Moments=0
The Attempt at a Solution
Find reaction forces at point A and D. Normally this wouldn't be an issue. I'd just find the reaction force of D by solving for the moment around point A. Then find A by knowing that the sum of forces in Y direction is 0. However, dimensions are not given in the problem. I have the answers, but I do not see how to get to them.
After finding reaction forces, isolate each joint and begin with joint with no more than two unknowns. Proceed until all forces are found.
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